https://listes.renater.fr/wws/info/m6bone : M6Bone mailing-list archives
  http://www.freebsd.org : official webpage of FreeBSD
  http://www.netbsd.org : official webpage of NetBSD
  http://www.openbsd.org : official webpage of OpenBSD
  http://www.kame.net : official webpage of Kame
  http://www-mice.cs.ucl.ac.uk/multimedia/software/ : official mbone tools webpage
  http://www.kabassanov.com : mbone tools for windows and linux, some reflecting tools and MLDv2 related stuff
  http://multicast.internet2.edu/mcast-v6.shtml : IPv6 multicast working group of Internet2
  http://ipv6.ssu.ac.kr/ xcast/ : Another conception of the multicast
  http://www.pbox.org/ luc/pim6sd.html : Luc Beurton’s IPv6 multicast web page
  http://www.uninett.no/testnett/multicast/intro.html : UNINETT’s IPv6 multicast intro web page